The Jagged Alliance Online Website announces that beta testing is now open to all for this upcoming browser-based online installment in the Jagged Alliance series of tactical strategy games. This forum post has details on what the test involves, and how to get started playing. This trailer has a walkthrough for the game, and here's a bit on changes from the closed beta:

The advent of open beta testing will also bring a number of new features to the game: Defeated opponents now drop loot that can be collected by the mercenaries during the mission. When a player aims at an explosive barrel or crate, the explosion radius will be shown, making it easier to judge to results of one’s actions. Aiming at an opponent will now show which direction he is most vulnerable from.